QeRadialItemPlot.hpp

#ifndef QERADIALITEMPLOT_HPP
#define QERADIALITEMPLOT_HPP
 
#include <QObject>
#include <QString>
#include <QDebug>
#include <QMetaClassInfo>
#include <QMetaObject>
#include <QMetaProperty>
#include <QVariant>
#include <QWidget>
#include <QtUiPlugin/QDesignerExportWidget>
#include <qpainter.h>
#include <iostream>
 
#define _USE_MATH_DEFINES
#include <cmath>
 

class QeRadialItemPlot : public QWidget
{
    Q_OBJECT

    Q_PROPERTY(bool isClockwise READ getIsClockwise WRITE setIsClockwise NOTIFY isClockwiseChanged FINAL)
 
    
    Q_PROPERTY(bool degRadNumericDisplay READ getDegRadNumericDisplay WRITE setDegRadNumericDisplay NOTIFY degRadNumericDisplayTriggered )

    Q_PROPERTY(bool showGrid READ getShowGrid WRITE setShowGrid NOTIFY showGridChanged FINAL)
 
protected:
    void changeEvent(QEvent *event) override;

    void resizeEvent(QResizeEvent *event) override;

    virtual void paintDartBoard(QPainter *painter){};

    void cacheBackground(QPainter *painter);

    void setDirectionIndicatorSigns(QString vertical, QString horizontal);

    void setDirectionIndicatorVisible(bool isVisible);

    void drawValues(QPainter *painter);
 
public:
    explicit QeRadialItemPlot(QWidget *parent = Q_NULLPTR);
    virtual ~QeRadialItemPlot();

    bool getIsClockwise(){ return m_isClockwise; }

    bool getDegRadNumericDisplay(){ return m_degRadNumericDisplay; }

    bool getShowGrid(){ return m_showGrid; }

    QPixmap getBackgroundPixmap(){ return *(this->p_background.get()); }
 
signals:
    void isClockwiseChanged(bool newValue);

    void degRadNumericDisplayTriggered(bool newValue);

    void showGridChanged(bool newValue);
 
 
public slots:
    void setIsClockwise(bool newValue);

    void setDegRadNumericDisplay(bool newValue);

    void setShowGrid(bool newValue);

    void updateBackground();
 
 
protected:
    bool m_backgroundUpdateNeeded = true;
    double m_scale = 1.0;
    // The scale at which the drawing of the radial plot is scaled;
    // The value is defined arbitrary, may be changed if necessary.
    double m_scale_factor = 120.0;
    QString m_vertical_indicator = "N";
    QString m_horizontal_indicator = "E";
    bool m_areDirectionsVisible = true;
    bool m_isClockwise = true;
    bool m_degRadNumericDisplay = false;
    bool m_showGrid = false;
 
private:
    std::unique_ptr<QPixmap> p_background;
 
};
 
 
#endif //QERADIALITEMPLOT_HPP